Revert "优化"

This reverts commit 49484a1f

app/src/main/java/io/legado/app/base/BaseActivity.kt

@@ -12,6 +12,7 @@ import android.view.View
 import android.widget.FrameLayout
 import androidx.appcompat.app.AppCompatActivity
 import androidx.viewbinding.ViewBinding
+import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.constant.AppConst
 import io.legado.app.constant.Theme
@@ -78,6 +79,13 @@ abstract class BaseActivity<VB : ViewBinding>(
         observeLiveBus()
     }
 
+    override fun onWindowFocusChanged(hasFocus: Boolean) {
+        super.onWindowFocusChanged(hasFocus)
+        if (hasFocus) {
+            App.navigationBarHeight = navigationBarHeight
+        }
+    }
+
     override fun onMultiWindowModeChanged(isInMultiWindowMode: Boolean, newConfig: Configuration?) {
         super.onMultiWindowModeChanged(isInMultiWindowMode, newConfig)
         findViewById<TitleBar>(R.id.title_bar)